420 ILCS 10/2
It is declared to be the policy of the State of Illinois to prevent accidents at nuclear facilities in Illinois for the economic well-being of the People of the State of Illinois and for the health and safety of workers at nuclear facilities and private citizens who could be injured as a result of releases of radioactive materials from nuclear facilities. It is the intent of the General Assembly that this Act should be construed consistently with federal law to maximize the role of the State in contributing to safety at nuclear facilities in Illinois. It is the intent of the General Assembly that the Agency should not take any actions which are preempted by federal law or engage in dual regulation of nuclear facilities, unless dual regulation is allowed by federal law and policies of the Nuclear Regulatory Commission. In implementing its responsibilities under this Act, the Agency shall not take any action which interferes with the safe operation of a nuclear facility.
420 ILCS 10/2